cam help needed

[Rolling_Thunder]

Alright...    hows this for a cam question....       I'm currently running the resto cam from MP...    268*/284* with a 115* ---      now...    I like the smoother idle qualities of this cam but when I'm in need of a more modern approach for the 440...    I want a smoother idle than the 284*/284* purplshaft I had in it delivered...         any suggestion ?

[694spdRT]

I have an Engle K56/K58 in my 440. It is 224/230 duration at 0.050 on a 110CL and the idle is not bad at all. The powerband is right where it needs to be in a street driven car. It depends on your stall speed and gears but a K56 is reported to work well in most street 440 applications. The idle will be smoother than the 284/484 and you gain extra lift.

[Rolling_Thunder]

cool...      I am running a 5-speed ----

I'm just looking for a smoother running cam...    the CL is the large determining factor if i remember right...      I will be adding a procharger down the road so I am planning ahead....      im told to use a 110-114CL...    whats the benefit of the 114cl over a 112 or 110 ?

[694spdRT]

A wider centerline makes for a broader powerband but it may not have as high of a peak. A wider centerline also helps when using a more restrictive exhaust. The higher centerline will idle better.

That is partly why the old MP 484 and 509 cams had such noticeable idles...they were ground on a 108CL.  The newer street friendly ones are on either a 112 or 114CL but I have never heard one run.

Depending on your build you may want more. I am considering a K58/K60 for the 440 going in my Challenger.

Some others may have better advice for a blower cam setup.

[deputycrawford]

694speedrt is correct. You may want to seek further advise from someone. I would start with the cam manufacturers. They will tell you what cam is made for what. Pick a brand and call them on the phone. you will get what you need. Just have ALL your engine specs. I do mean everything. The dimentions of the valve springs. Head flow, gear, trans, weight....etc. it goes on and on. pick a cam company and call them.

[Rolling_Thunder]

I'll probably just run over to Isky one day this week...